diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsKeyguardView.java b/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsKeyguardView.java
index d46426a036215..9015396d26ab8 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsKeyguardView.java
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsKeyguardView.java
@@ -155,6 +155,13 @@ public class UdfpsKeyguardView extends UdfpsAnimationView {
         updateAlpha();
     }
 
+    /**
+     * @return alpha between 0 and 255
+     */
+    int getUnpausedAlpha() {
+        return mAlpha;
+    }
+
     @Override
     protected int updateAlpha() {
         int alpha = super.updateAlpha();
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsKeyguardViewController.java b/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsKeyguardViewController.java
index 3ca7a9face955..22d7a3ff44f06 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsKeyguardViewController.java
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsKeyguardViewController.java
@@ -153,7 +153,7 @@ public class UdfpsKeyguardViewController extends UdfpsAnimationViewController<Ud
         pw.println("mIsBouncerVisible=" + mIsBouncerVisible);
         pw.println("mInputBouncerHiddenAmount=" + mInputBouncerHiddenAmount);
         pw.println("mStatusBarExpansion=" + mStatusBarExpansion);
-        pw.println("mAlpha=" + mView.getAlpha());
+        pw.println("unpausedAlpha=" + mView.getUnpausedAlpha());
         pw.println("mUdfpsRequested=" + mUdfpsRequested);
         pw.println("mView.mUdfpsRequested=" + mView.mUdfpsRequested);
         pw.println("mLaunchTransitionFadingAway=" + mLaunchTransitionFadingAway);
@@ -168,10 +168,10 @@ public class UdfpsKeyguardViewController extends UdfpsAnimationViewController<Ud
             return false;
         }
 
+        boolean udfpsAffordanceWasNotShowing = shouldPauseAuth();
         mShowingUdfpsBouncer = show;
-        updatePauseAuth();
         if (mShowingUdfpsBouncer) {
-            if (mStatusBarState == StatusBarState.SHADE_LOCKED) {
+            if (udfpsAffordanceWasNotShowing) {
                 mView.animateInUdfpsBouncer(null);
             }
 
@@ -184,6 +184,8 @@ public class UdfpsKeyguardViewController extends UdfpsAnimationViewController<Ud
         } else {
             mKeyguardUpdateMonitor.requestFaceAuthOnOccludingApp(false);
         }
+        updateAlpha();
+        updatePauseAuth();
         return true;
     }
 
@@ -308,6 +310,7 @@ public class UdfpsKeyguardViewController extends UdfpsAnimationViewController<Ud
                 public void requestUdfps(boolean request, int color) {
                     mUdfpsRequested = request;
                     mView.requestUdfps(request, color);
+                    updateAlpha();
                     updatePauseAuth();
                 }
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/biometrics/UdfpsKeyguardViewControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/biometrics/UdfpsKeyguardViewControllerTest.java
index 47e060ef8f975..5eb9138561875 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/biometrics/UdfpsKeyguardViewControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/biometrics/UdfpsKeyguardViewControllerTest.java
@@ -313,6 +313,25 @@ public class UdfpsKeyguardViewControllerTest extends SysuiTestCase {
         verify(mView).setUnpausedAlpha(0);
     }
 
+    @Test
+    public void testShowUdfpsBouncer() {
+        // GIVEN view is attached and status bar expansion is 0
+        mController.onViewAttached();
+        captureExpansionListeners();
+        captureKeyguardStateControllerCallback();
+        captureAltAuthInterceptor();
+        updateStatusBarExpansion(0, true);
+        reset(mView);
+        when(mView.getContext()).thenReturn(mResourceContext);
+        when(mResourceContext.getString(anyInt())).thenReturn("test string");
+
+        // WHEN status bar expansion is 0 but udfps bouncer is requested
+        mAltAuthInterceptor.showAlternateAuthBouncer();
+
+        // THEN alpha is 0
+        verify(mView).setUnpausedAlpha(255);
+    }
+
     private void sendStatusBarStateChanged(int statusBarState) {
         mStatusBarStateListener.onStateChanged(statusBarState);
     }